What is the cold tolerance in Zone 7?
Understanding usda plant hardiness zone 7 zone 7 features a medium-to-long growing season, commonly frost free from early may to late september. The average minimum winter temperatures in zone 7 range between 0°f and 10°f. Zones 7a and 7b fall within a temperate climate range, making them ideal for a diverse selection of plants. These zones are characterized by: zone 7a: average minimum temperatures range from 0°f to 5°f. Zone 7b: slightly warmer, with average minimum temperatures between 5°f and 10°f.